Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
62
O3
0.8
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
55
Good
Fri
23 May
58
Good
Sat
24 May
85
Good
Sun
25 May
91
Good
Mon
26 May
97
Good
Tue
27 May
94
Good
Wed
28 May
48
Excellent
Air quality in the last 12 months (Daguan)
|
2025/04
|
52
|
65
|
71
|
66
|
78
|
68
|
62
|
59
|
64
|
57
|
46
|
183
|
110
|
102
|
49
|
44
|
60
|
65
|
85
|
67
|
34
|
45
|
55
|
52
|
54
|
50
|
30
|
51
|
59
|
55
|
|
|
2025/03
|
45
|
39
|
15
|
33
|
65
|
69
|
64
|
71
|
103
|
83
|
49
|
52
|
41
|
46
|
20
|
50
|
30
|
53
|
45
|
51
|
48
|
51
|
64
|
70
|
57
|
68
|
76
|
73
|
73
|
78
|
61
|
|
2025/02
|
64
|
49
|
99
|
85
|
59
|
45
|
83
|
41
|
41
|
54
|
84
|
98
|
76
|
73
|
101
|
95
|
84
|
54
|
68
|
71
|
42
|
60
|
94
|
110
|
102
|
107
|
71
|
47
|
|||
|
2025/01
|
105
|
123
|
200
|
135
|
117
|
93
|
50
|
54
|
55
|
41
|
69
|
80
|
87
|
100
|
68
|
56
|
60
|
74
|
97
|
126
|
137
|
177
|
215
|
89
|
42
|
39
|
53
|
75
|
225
|
112
|
108
|
|
2024/12
|
57
|
59
|
133
|
82
|
65
|
76
|
119
|
63
|
62
|
78
|
85
|
97
|
74
|
66
|
64
|
69
|
81
|
107
|
42
|
77
|
89
|
60
|
84
|
95
|
144
|
123
|
93
|
94
|
84
|
98
|
103
|
|
2024/11
|
35
|
52
|
55
|
61
|
46
|
52
|
46
|
50
|
55
|
42
|
48
|
55
|
51
|
69
|
74
|
62
|
17
|
29
|
38
|
53
|
44
|
64
|
69
|
55
|
39
|
44
|
50
|
60
|
53
|
51
|
|
|
2024/10
|
22
|
42
|
28
|
32
|
43
|
18
|
11
|
37
|
49
|
55
|
64
|
69
|
68
|
58
|
42
|
39
|
32
|
31
|
19
|
38
|
46
|
33
|
52
|
52
|
43
|
25
|
21
|
59
|
70
|
46
|
35
|
|
2024/09
|
42
|
48
|
38
|
45
|
43
|
35
|
48
|
53
|
42
|
36
|
20
|
16
|
30
|
28
|
32
|
26
|
35
|
29
|
29
|
17
|
20
|
30
|
30
|
40
|
48
|
62
|
38
|
32
|
45
|
45
|
|
|
2024/08
|
15
|
19
|
23
|
25
|
32
|
27
|
26
|
31
|
37
|
37
|
34
|
42
|
29
|
20
|
26
|
29
|
41
|
37
|
26
|
18
|
28
|
29
|
32
|
34
|
46
|
49
|
27
|
11
|
28
|
34
|
41
|
|
2024/07
|
13
|
13
|
17
|
19
|
19
|
21
|
21
|
21
|
27
|
27
|
35
|
36
|
13
|
15
|
31
|
40
|
24
|
22
|
21
|
21
|
23
|
24
|
33
|
34
|
25
|
23
|
10
|
13
|
15
|
24
|
23
|
|
2024/06
|
29
|
43
|
35
|
38
|
32
|
34
|
28
|
37
|
43
|
25
|
23
|
25
|
28
|
27
|
34
|
52
|
33
|
33
|
15
|
16
|
25
|
10
|
16
|
21
|
22
|
31
|
16
|
12
|
19
|
15
|
|
|
2024/05
|
30
|
42
|
45
|
25
|
27
|
27
|
38
|
54
|
58
|
61
|
48
|
91
|
81
|
60
|
66
|
54
|
67
|
62
|
78
|
69
|
38
|
30
|
41
|
35
|
41
|
22
|
16
|
25
|
32
|
31
|
30
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution